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How many words can be formed by using all the letters of word. ‘TRAIN’?
- A720
- B6
- C120
- D24
Answer not set
Discussion 1
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CCommunity
In the word TRAIN, 5 letters are there, since 5 letters can be arranged in 5! Ways. Therefore
Total number of arrangements becomes 5! = 120
Total number of arrangements becomes 5! = 120